Gear shifter



FIG. 1 is a top perspective view of a gear shifter showing my new design; and,

FIG. 2 is a side elevational view, the opposite side elevational view being a mirror image thereof.

The broken line showings of the mounting region for the gear shifter are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a gear shifter, as shown and described. 